Riverflow V2 Fast is the newer model, released after Claude Opus 4.5.
| Spec | Claude Opus 4.5 | Riverflow V2 Fast |
|---|---|---|
| Context window | — | 8K tokens |
| Released | Nov 2025 | Feb 2026 |
Not enough votes to call it. On the specs, Claude Opus 4.5 has the edge: bigger model tier, major provider backing.
Riverflow V2 Fast is the newer model, released after Claude Opus 4.5.
| Spec | Claude Opus 4.5 | Riverflow V2 Fast |
|---|---|---|
| Context window | — | 8K tokens |
| Released | Nov 2025 | Feb 2026 |
Not enough votes to call it. On the specs, Claude Opus 4.5 has the edge: bigger model tier, major provider backing.